<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			/* div {
				font-size: 20px;
			}

			span {
				font-size: 20px;
			} */

			div,
			span,
			p {
				font-size: 20px;
			}

			#d1,
			#s1 {
				color: orange;
			}
		</style>
	</head>
	<body>
		<div id="d1">博为峰</div>
		<span id="s1">学掌门</span>
		<p>国庆节</p>
	</body>
</html>
